iPhone开发之地图定位（CoreLocation和Mapkit框架）简易编程

下面介绍的时地图定位和位置反编码

//

//  AppDelegate.h

//  LocationDemo

//

#import

#import

#import

&＃64;interface AppDelegate : UIResponder<UIApplicationDelegate,CLLocationManagerDelegate,MKReverseGeocoderDelegate>

&＃64;property (strong, nonatomic) UIWindow *window;

&＃64;end

//

//  AppDelegate.m

//  LocationDemo

//

#import "AppDelegate.h"

&＃64;implementation AppDelegate

- (void)dealloc

{

    [_window release];

    [super dealloc];

}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions

{

    self.window &＃61; [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];

    // Override point for customization after application launch.

    self.window.backgroundColor &＃61; [UIColor whiteColor];

    [self.window makeKeyAndVisible];

    CLLocationManager *locationManager &＃61; [[CLLocationManager alloc] init];

    //设置过滤信息

//    [locationManager setDistanceFilter:<#(CLLocationDistance)#>]

    //设置定位的精度

    [locationManager setDesiredAccuracy:kCLLocationAccuracyNearestTenMeters];

    locationManager.delegate &＃61; self;

    //开始实时定位

    [locationManager startUpdatingLocation];

    return YES;

}

//实时定位调用的方法, 6.0过期的方法

#pragma mark - CLLocationManager delegate

- (void)locationManager:(CLLocationManager *)manager

didUpdateToLocation:(CLLocation *)newLocation

  fromLocation:(CLLocation *)oldLocation {

    CLLocationCoordinate2D coordinate &＃61; newLocation.coordinate;

    NSLog(&＃64;"经度&＃xff1a;%f,纬度&＃xff1a;%f",coordinate.longitude,coordinate.latitude);

    //停止实时定位

    [manager stopUpdatingLocation];

    //计算两个位置的距离

//    float distance &＃61; [newLocation distanceFromLocation:oldLocation];

//    NSLog(&＃64;"%f",distance);

    //------------------位置反编码---5.0之后使用-----------------

    CLGeocoder *geocoder &＃61; [[CLGeocoder alloc] init];

    [geocoder reverseGeocodeLocation:newLocation

                   completionHandler:^(NSArray *placemarks, NSError *error){

                       for (CLPlacemark *place in placemarks) {

                           NSLog(&＃64;"name,%&＃64;",place.name);                       // 位置名

                           NSLog(&＃64;"thoroughfare,%&＃64;",place.thoroughfare);       // 街道

                           NSLog(&＃64;"subThoroughfare,%&＃64;",place.subThoroughfare); // 子街道

                           NSLog(&＃64;"locality,%&＃64;",place.locality);               // 市

                           NSLog(&＃64;"subLocality,%&＃64;",place.subLocality);         // 区

                           NSLog(&＃64;"country,%&＃64;",place.country);                 // 国家                           

                       }

    }];

    //----------------------位置反编码--5.0之前的使用-----------------

    MKReverseGeocoder *mkgeocoder &＃61; [[MKReverseGeocoder alloc] initWithCoordinate:coordinate];

    mkgeocoder.delegate &＃61; self;

    [mkgeocoder start];

}

//6.0之后新增的位置调用方法

//- (void)locationManager:(CLLocationManager *)manager

// didUpdateLocations:(NSArray *)locations {

//    for (CLLocation *location in locations) {

//        NSLog(&＃64;"%&＃64;",location);

//    }

//    

//    //停止实时定位

//    [manager stopUpdatingLocation];

//

//}

#pragma mark - MKReverseGeocoder delegate

- (void)reverseGeocoder:(MKReverseGeocoder *)geocoder

       didFindPlacemark:(MKPlacemark *)place {

       NSLog(&＃64;"---name,%&＃64;",place.name);                       // 位置名

       NSLog(&＃64;"---thoroughfare,%&＃64;",place.thoroughfare);       // 街道

       NSLog(&＃64;"---subThoroughfare,%&＃64;",place.subThoroughfare); // 子街道

       NSLog(&＃64;"---locality,%&＃64;",place.locality);               // 市

       NSLog(&＃64;"---subLocality,%&＃64;",place.subLocality);         // 区

       NSLog(&＃64;"---country,%&＃64;",place.country);                 // 国家

}

&＃64;end

原文地址&＃xff1a;http://blog.sina.com.cn/s/blog_aeb8e4450101avl5.html